JP7214276B1 - プラスチック成形品用柄材及びこれを配合した柄入りプラスチック成形品並びにプラスチック成形品用柄材の製造方法 - Google Patents
プラスチック成形品用柄材及びこれを配合した柄入りプラスチック成形品並びにプラスチック成形品用柄材の製造方法 Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 104
- 239000004033 plastic Substances 0.000 title claims abstract description 42
- 229920003023 plastic Polymers 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000010445 mica Substances 0.000 claims abstract description 69
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 69
- 239000000049 pigment Substances 0.000 claims abstract description 54
- 239000003973 paint Substances 0.000 claims abstract description 25
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 239000011347 resin Substances 0.000 claims abstract description 20
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 229920005992 thermoplastic resin Polymers 0.000 claims description 12
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229920005668 polycarbonate resin Polymers 0.000 claims description 5
- 239000004431 polycarbonate resin Substances 0.000 claims description 5
- 238000010137 moulding (plastic) Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 13
- 239000000758 substrate Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 20
- 238000012360 testing method Methods 0.000 description 14
- 238000004040 coloring Methods 0.000 description 11
- 238000005562 fading Methods 0.000 description 11
- 238000000465 moulding Methods 0.000 description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 238000002845 discoloration Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 239000012860 organic pigment Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 239000012778 molding material Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000004412 Bulk moulding compound Substances 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 239000003677 Sheet moulding compound Substances 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 description 1
- 239000002928 artificial marble Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Abstract
Description
また、例えば特許文献2に示す如き樹脂成形品の製造方法も知られている。この方法では、着色剤が皮膜により覆われて内部に封入されたカプセルを成形材料中に含有させておき、プレス成形時の熱により皮膜を破包させることで、着色剤を成形材料中で流動させて多様な柄模様を形成する。係る場合、着色剤が成形時の熱によって退色、変色し、柄の意匠性が低下する場合があった。
本発明に係るプラスチック成形品用柄材1(以下、単に「柄材」と称する)は、大略、図1,2に示すように、基材2と基材2の表面に形成される着色層3とからなる。この柄材1は、熱可塑性樹脂に配合され、柄入りプラスチック成形品に加工される。なお、図1に例示する柄入りプラスチック成形品(板状体)の横幅は、約10cmである。
基材2は、図2に示すように、薄片状を呈し、天然の雲母(マイカ)や合成マイカよりなる。この基材となる薄片状の雲母2(以下、薄片マイカ2と称する)の大きさは、例えば一片の長さ(最長部の長さ)が0.01mm~20mm程度である。又は、薄片マイカ2は、JIS試験篩いメッシュ換算で、4メッシュ~166メッシュ程度の粒度であるとよい。これらの下限を下回ると、プラスチック成形品に配合した際に柄を明瞭に発現しにくい。他方、これらの上限を上回ると、熱可塑性樹脂に混合し成形する際に、互いに十分に混合されず、成形品としての仕上がりが低下する。
着色層3は、薄板状の雲母粒子の表面を酸化チタンで被覆した酸化チタン被覆雲母を主成分とする顔料(以下、「パール顔料」と称することもある。)4より形成される。このパール顔料4の粒径は、5μm~200μm程度である。この下限を下回ると、プラスチック成形品に配合した際に柄を明瞭に発現しにくい。他方、これらの上限を上回ると、熱可塑性樹脂に混合し成形する際に、互いに十分に混合されず、成形品としての仕上がりが低下する。
本発明に係る柄材1は、上述の大きさに分級された薄片マイカ2をパール顔料4で着色する。
着色工程では、攪拌機(タンブラー)10のドラム11内に薄片マイカ2と塗料を投入し、羽根12及びドラム11により回転攪拌混合を行う。ここで、塗料は樹脂、主成分としてのパール顔料4及び溶剤を少なくとも含有してなり、薄片マイカ2に対し2重量%以上20重量%以下の割合で配合される。下限値を下回ると、薄片マイカ2に対し塗料が少なくなり、各々の薄片マイカ2に塗料が行き渡らずに十分に着色できず、色ムラが生じる。一方、上限値を上回ると、塗料が多くなり過ぎ、着色層3の形成(特に乾燥)に時間が掛かり生産効率が低下する。また、薄片マイカ2同士がくっつきダマ(ブロック)が形成されやすくなり、粒径が不均一となる。なお、塗料は、ディスパーでパール顔料4を分散させ、さらにガラスビーズを投入してより一層分散させた後、そのパール顔料4を樹脂及び溶剤に混ぜ、ディスパーで攪拌させて製造される。
実施例は、薄片マイカ2を主成分としてパール顔料4を含有する塗料で着色した柄材であり、図4aに示す。また、比較例1は、薄片マイカ2を有機顔料の1つであるジスアゾ系顔料を主成分として含有する塗料で着色した柄材であり、図4bに示す。比較例2は、PET(ポリエチレンテレフタレート)樹脂よりなる基材を主成分としてパール顔料4を含有する塗料で着色した柄材であり、図4cに示す。比較例3は、PET樹脂よりなる基材を有機顔料の1つであるジスアゾ系顔料で着色した柄材であり、図4dに示す。実施例及び比較例1~3は、いずれも上記着色工程で着色している。なお、図4a~dに示す各写真の拡大率は、約280倍である。
Claims (4)
- 基材と前記基材の表面に形成される着色層とからなるプラスチック成形品用柄材であって、
前記基材は、薄片状の雲母よりなり、
前記着色層は、薄板状の雲母粒子の表面を酸化チタンで被覆した酸化チタン被覆雲母を主成分とする顔料と樹脂と溶剤とを少なくとも含有する塗料により形成され、
前記雲母の大きさは、0.01mm~20mmであり、
前記酸化チタン被覆雲母の粒径は、5μm~200μmであるプラスチック成形品用柄材。 - 熱可塑性樹脂に請求項1記載のプラスチック成形品用柄材を配合した柄入りプラスチック成形品。
- 前記熱可塑性樹脂は、ABS樹脂又はポリカーボネート樹脂である請求項2記載の柄入りプラスチック成形品。
- 請求項1記載のプラスチック成形品用柄材の製造方法であって、
薄片状の雲母と、薄板状の雲母粒子の表面を酸化チタンで被覆した酸化チタン被覆雲母を主成分とする顔料と樹脂と溶剤を少なくとも含有する塗料とを攪拌混合し、前記雲母の表面に前記塗料により前記着色層を形成するプラスチック成形品用柄材の製造方法。
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JP2022067998A JP7214276B1 (ja) | 2022-04-18 | 2022-04-18 | プラスチック成形品用柄材及びこれを配合した柄入りプラスチック成形品並びにプラスチック成形品用柄材の製造方法 |
PCT/JP2023/002525 WO2023203823A1 (ja) | 2022-04-18 | 2023-01-26 | プラスチック成形品用柄材及びこれを配合した柄入りプラスチック成形品並びにプラスチック成形品用柄材の製造方法 |
KR1020237038671A KR20230159630A (ko) | 2022-04-18 | 2023-01-26 | 플라스틱 성형품용 무늬재 및 이를 배합한 무늬가 들어간 플라스틱 성형품 및 플라스틱 성형품용 무늬재의 제조 방법 |
CN202380011632.5A CN117321148A (zh) | 2022-04-18 | 2023-01-26 | 塑料成型品用花纹材料及其制造方法、以及混配了该花纹材料的带花纹的塑料成型品 |
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JP2001316609A (ja) | 2000-05-10 | 2001-11-16 | Shiseido Co Ltd | 多色性粉体及び多色性塗装体 |
JP2006516154A (ja) | 2002-12-13 | 2006-06-22 | エンゲルハード・コーポレーシヨン | 反射層を含有させた色効果材料 |
JP2006517602A (ja) | 2003-01-23 | 2006-07-27 | ゼネラル・エレクトリック・カンパニイ | 高アスペクト比材料のポリマー封入物及びその製造方法 |
JP2007063127A (ja) | 2006-10-23 | 2007-03-15 | Topy Ind Ltd | 雲母系複合材料およびその製造方法 |
JP2010241856A (ja) | 2009-04-01 | 2010-10-28 | Asahi Kasei Chemicals Corp | 樹脂組成物 |
JP2012224858A (ja) | 2002-12-17 | 2012-11-15 | Merck Patent Gmbh | 干渉顔料 |
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JP3073836B2 (ja) * | 1992-07-02 | 2000-08-07 | メルク・ジヤパン株式会社 | 耐変色性を有する真珠光沢顔料およびその製造方法 |
JP3884526B2 (ja) * | 1997-05-16 | 2007-02-21 | トピー工業株式会社 | 雲母系複合材料およびその製造方法 |
JPH11286563A (ja) * | 1998-04-02 | 1999-10-19 | Mitsubishi Rayon Co Ltd | パール柄付きアクリル樹脂成形品 |
JP2003095723A (ja) | 2001-09-25 | 2003-04-03 | Matsushita Electric Works Ltd | 人造大理石用柄材の製造方法 |
JP2018034333A (ja) | 2016-08-29 | 2018-03-08 | パナソニックIpマネジメント株式会社 | 樹脂成形品の製造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2001316609A (ja) | 2000-05-10 | 2001-11-16 | Shiseido Co Ltd | 多色性粉体及び多色性塗装体 |
JP2006516154A (ja) | 2002-12-13 | 2006-06-22 | エンゲルハード・コーポレーシヨン | 反射層を含有させた色効果材料 |
JP2012224858A (ja) | 2002-12-17 | 2012-11-15 | Merck Patent Gmbh | 干渉顔料 |
JP2006517602A (ja) | 2003-01-23 | 2006-07-27 | ゼネラル・エレクトリック・カンパニイ | 高アスペクト比材料のポリマー封入物及びその製造方法 |
JP2007063127A (ja) | 2006-10-23 | 2007-03-15 | Topy Ind Ltd | 雲母系複合材料およびその製造方法 |
JP2010241856A (ja) | 2009-04-01 | 2010-10-28 | Asahi Kasei Chemicals Corp | 樹脂組成物 |
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CN117321148A (zh) | 2023-12-29 |
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